One of the reasons why colours are philosophically interesting is that they provide an illustration of general problems that arise in thinking about the “manifest image” of the world, or the world as it appears to us as conscious subjects. It is not just colours that are under threat. Similar problems arise for aesthetic properties like beauty….

Those interested in the nitty gritty philosophy of color theory should check it out.

Image credit: Studies for Homage to the Square by Josef Albers, by Selena N.B.H. via Flickr